Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Ratio of "Float" of Each Federal Reserve Bank to Total Earning Assets and Deposits, May 24, 1918, Number X-972, Volume 7, Page 591, Mimeograph Letters and Statements of the Board. Board of Governors of the Federal Reserve System (U.S.), 1935-. https://fraser.stlouisfed.org/archival/4957/item/512049, accessed on March 4, 2026.